Wire-cut soft-cake machine.



T. L.GRBEN.

WIRE GUT SOFT CAKE MACHINE.

APPLIUATION FILED 214.25. 1909.

Patented Sept. 13, 1910.

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wai/mes s e@ T. L. GREEN.

WIRE CUT SOFT CAKE MACHINE.

.APPLIoATIoN FILED rn.z5,19oa.

Patented Sept. 13, 1910.

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T. L. GREEN.

WIRE GUT SOFT CAKE MACHINE.

APPLICATION FILED FBB.25,1909.

970,370.' Pammed sept. 13,1910.

6 SHEETS-SHEET 3.

fr. L. GREEN. y WIRE GUT SOFT CAKE MACHINE.

W APPLIOATION FILED FEB.25,1909. @Vm

Patented Sept. 13,1910.

6 SHEETS-SHEET 4.

Elkin/esse@ frauen/Z014: 75m f@ si Mu/Vm T/zoznaGL. Gmeen T. L.' GREEN.

WIRE GUT SOFT GAKE MACHINE.

APPLICATION FILED 1111.25. 1909.

Patented Sept. 13,1910.

6 SHEETS-SHEET 5.

n@ O NQ QQ o ma. QQ Q\\ Imvenlor: Them@ L. Green. yMQ/ms' n MS T. L. GREEN.

WIRE GUT SOFT CAKE MACHINE.

APPLIOATIDN EILED H2B. 25.1909. 970,370. Patented 136111111910.

6 SHEETS-SHEET 6.

Invention.- Z7z0nzasl1. reem. ZLyfnmyfy 4MM# 7.2M

Zl/Les@ els citizen of the'United States, residing atIn- 1 6-.6-of Fig. 1 looking toward the rig .accompanying drawings,

THOMAS I.. GREEN; or INDIANAPOLIS, INDIANA.

WIRE-CUT SOFT- CAKE MACHINE.

Specification of'Letters Patent. Application filed February 25, 19109. Serial No. 486,057.

Patented sept. 13,- 191e.

Toall whom 'it may concern:

Be it known that I, THOMAS L. GREEN, a

dianapolis, county of Marion, State ofIndiana, have invented an Improvement in Wire- Cut Soft-'Cake Machines, .of which the following description, in connection with the 'is a specification, like letters on the drawings representing like arts.'

p My invention relates to biscuit and otherA machines for cuttin or maniptulating plas-3 tic material or doug, and more particularly to what are known in the' art as machines of the Wire-cut soft .caketype My invention maybe readil understood1 escription of.

by referenceto the followin an illustrative .embodiment t ereof shown in.

the accompanying drawings.wher ein,-l 2 0 Figui-e1 isa front elevation of a machine embodyingmy inventionyFig. 2 is an enlarged F ig. 3 is a rear elevation of the machine shownln Fig. 1 Fig. 4 is an enlarged sectional vdetail taken on the dotted line of Fig. y6; Fi ..5 is a plan taken on line 5 5, of Fig. 1'l ;.'i 5 is a side elevation taken on the dotted ine 5 ---5a of Fig.

'5 looking in the direction of the arrow;

Fig. 6 isa section taken on 'the dotted linel ht; Fig. 7 is a section'I taken on the dotted line 7-7 of Fig. 1; Fig. 8 is a yplan voff'a variable speed mechanism used in the machine; Fig. 9 1s an enlarged section takenon the dotted line 9 9 .of Fig. 1;'Fig. 10 a sectional detail taken on' the dotted -lille 10-10 Fig. 11 is 'a detail of the mechanism shown in Fig. 9; Fig. 12 is a view of parts of thel machine isolated from their supporting frame; Fig. 13 is a view showing the parts in Fig. l2 in a different position; Fig. 14 'is a sectional detail taken onv the dotted line 1414 of Fig. 12; Fig. 15 is a lsectional detail taken on the dotted line 15-15 of Fig. 12; Fig. 16 is afsectional detail taken on line 16-4-16 of Fig. 16;.and Fig. 17`is a sectional detail .taken on the dotted line 17-1-17` of Fig. 1.

The machine shown herein embodying my invention comprises a hopperl (see Figs.' 1, 2 `and 3)' for feeding ydough or.other.p1as tic material, said hopper Vresting on the top of a two part base4 2 supported on frames 3. .This hepnerlsee with" corrugated fee sectional detail taken" on the` dotted line 2-2of Fig. 1;

s., 4 and. 6 is provided 5 journaled in said base 2. As above stated ,this hopper baseY is made of two parts and herein th'es'e parts the other, hinged to ether as at 5I and-divide the bearings o zontall. Said .parts may be held when closed y swing locking bolts. 6. These rolls may be readily ,removed by unlocking said bolts and. swinging back theupper artof saidbase, ythe hopper having'been rst 'removed. To reven't adherence of the dough to said feey rolls the latter are provided ntinuously roll shaft 5, the. opposite lereon meshworm gear 9, (see Fig. 3) fast ing wlth a worm one of said frames 3 1n bearings on said hopper base'and frames respectively. This a bevel gear 12 fast thereon meshing bevel gear 13, fast on the en'd of a shaft 14 byanyv` suitable variable speed4 mechanism. Herein'said shaft-14 (see Fig. 8) is driven by "the well known Reeves variable s eed transmission. This transmission is ere typified by the usual adjustable friction vcones 15,' s lined to saidshaft 14.and driven cones 16 fast upon a driving 'shaft 17 joursI naled on'the frames. These cones' may be vary the relative effective diameters thereof by-levers 419 Ifulcrumed -on a bar y20 supportedby said frames 5 between said driving and driven .shafts and connectedl at optuate said friction cones'. These levers may.

rollers "4 ast onshafts' be opiositely and simultaneously SP1 @a gears 8 (Fig. 1) fast on the end of one of said shafts beindriven by a :inclined shaft is driven at itsl lower end by.4

with a v.p'osite sides-of said fulcrum with and to 'ac ilo' are arranged one 'above said feed rollsv hori-` withl Scrapers 7 (see Fig. 4) mounted on the hop er base and inclined upwardly and in`70 10 fast on the upper end of an inclinedshaft 11 journaled outside of journaled .in bearings in said'frames. Thev speed of said dough feedrolls may be'varied zoo -by a suita ltl belt, from 'suitable adjustable adjusted toward and from each other to.

rocked to. l the cones tof -one. and to'elose y i ardere cones of the other of said shafts by a shaft 21 journaled in Said'frames 5, said shaft being turned by a hand wheel 23 to spread and draw together the cones in the usual mannerl as desired. By this variable speed mechanism the dough feedrolls may be given a wide range of speed with gradual gradations, even while they are rotating and on a shelf26 inthe hopper base 2,j its oppoquickly `of a `pin 33, mounted describe.

site side being secured to said base, pre er-V ably by l-headed bolts 27 `'llhe doug'hfrom the feed rolls issues through and projects below these cups `and is cut or sliced 'into cakes by a cutter adapted to wipe. or move past the ends of said cups. ,'ll1e\ dough used in this class of work is psually' soft without the consistency ofthe `.dough used in making soda an'd similar crackers' and therefore must be more carefully cut and deposited. To this end l-have provided a mechanism for cutting and accurately der positing the cakes and which l will now rlhe cutter employed herein (see Fig. 5g comprises a cutter wire 30 (see ig. 5 which is.k stretched across the notched ends of a series ,of spaced supporting ngers 31h adi'ustably mounted on a rook shaft 32. .011e

end of, said wire-1s secured on ,the outside ot ,one ofthe end ngers, -theother wire end beingc'arried first .through 'av notch in thel outer, end of'an arm 34l ,(.see Fign thence\ (see lfig..-12) carriedjalongtheouter side` of: said arm to and through Atheslotted endj n inthe rear end .of said arm z34, the latterbeing also mounted on said rock shaft 32. rlhis 'pin maybe turned to stretch or take lup saidcutter wire by -a squared head 35on'the Vupper end thereof, said head being held in its` adjusted positions by a ratchet 36 thereon having a spring locking dog 37; rlhe wire linger carrying shaft 32:( see Figs. 1, G and. 2) isejournaled in adjustable extensions 42 the upper ends of, rocker arms 43 .(see Fig. f1) the lowerv eudsof which are fast to af shaft' 44 journaledat one endQof the machine in bearings in the frame. rlhese rocker larms may be' oscillated by a connecting rodj45" (see Figs. 1 'and 12)threadedfintoa sleeve 46 pivotedonone of said rocker arms and is oppositely threaded into a head 47 ony a crank pin 48 `projecting `fromthe face of a disk 49 fast to an outwardly projecting end i of the main shaft 17 heretofore referred to.

Thisoppositely threaded rod may be turned saidv slee ve and head by a vhand wheel 5.0

`pletion of the eontiguous'to the cake 'just cut and be held in its adjusted. positions a hand locking nut 51.- ylt will be apparent that as the main shaft rotates the rocker arms will receive an oscillatory movement through its connecting rod 45. By this ad justment the location of the cutter wire may vbe varied to accommodate dies yof-di'erent sizes or position.

To assist in the deposit of the cakes cut and 'contribute to their fall, it is desirable to drop thecutter wire abruptly at the finish of its cut. l wire shaft stretcher arm 34.(Fig. 12) is en-` larged to receive a vertical screw 52 which 'is pivoted at its lower end to a. cross head 53., mounted toslide on a guide 54 upon a wire drop arm` 55. This armis pivoted on a stud 56 proj ectng from one of said frames- 5and near its outer endis provided with a tappet or follower 57 alternately lifted and dropped by a cam 58 fast on the drive shaft 17. As stated it is desired to give the wire a sudden drop simultaneously with thel comcutter stroke. The douglas used in machines of this class are very soft and as a resultas soon as 'the cutter wire start to fai before the cake isA entirely cut and ordinarily thecake would be tilted more or less and the edge'lfrst cut wouldstrike the pan or other surface placed to receive it before the edge last cut, ,with the danger of deforming the cake. l am to overcome this objection by laccelerating the drop edge last cutv so dropped squarely. ln order to do this the wire after completing its vcut and while still is given a quick drop carrying the cake edge positively with it, thereby causing lthe edge last cut to `overtake. theedge first cutA and `the cake to. evenly deposited. l have obtained this sudden :drop herein'by an abrupt Lstep in isaid earn l58 so thatwhen-the cam has rotated to the position shown yin Fig'. 12 the` dat` faced tappet or follower is broughtto the verge of the top of, the cam step; rlhe continued rotation of said camk in a clock"l wise direction will suddenly withdrawy any cam supporting surface out from under said follower and the latter will drop abruptly. and with it the wire drop arm, the wire supporting arms and the cutter wire, thus furnishing the accelerated drop desired. l To give the wirel a quicker drop than it would.

severe a portion of afcake from the dough i mass issuing from the die, this portion may' of the that the cake will bel To this end the outer end yof the .ice

insv

receive by the mere force of .gravity on' its i supporting parts a s ring 60 is attached at its upper end to the outer yfree end of said wire drop arm and at its lower end to a portion of the machine \frame. The cutter wire in its drop preferably does not continue with the cake cut during .its entire drop, but after the cake has been accelerated a cer- Atain distance', the wire is suddenly arrested in its 'downward movement, therebyl flipvingl adj-usted byfan integral head projecting from the bottom thereof. The use of a dash pot as above described so cushions the drop of :said parts"y as to cushion the drop without damage ywhen the machine isoperating at a high rate of speed.

It .will be observe'd that' the cam'and crank pin 'are so timed, (see Fig. 12) that when the 'crank has brought the cutter wire to vthe -finish of its cutting stroke the cam will have brought its step into position sin'iultaneously to drop said wire as described. This relation will be maintained whatever Vthe location of the `cutter wire stroke, such as when changed for 4t-he `different sized dies. The'cam is so formed that 'during the period whenthe cutter wire'is returning for a fresh cut over the cakes already cut and deposited, it will 'have little or no vertical movement, the tappetthen following the cam surface `a--Zi (see Fig. 13) of substantially uniform radius, the wire also traveling a suiiiclent distance beneath-said die to clear the dough, which meanwhile continues to be f ed therethrough. 'When -the tappet is following the inclined cam surface b4c, the wire is quickly lifted 'and the follower will then rest on the surface c-a' i which is also of substantially uniform therefrom. To accurately positionthe cutradius, so that soon'after the Wire has started on its forward or cutting stroke it will vbe moving in a substantially horizontal line to pass or wipe accurately across Vthe rims o f the die `cupsto cut cakes of uniformA `thickness fr.om the dough issuing ter Wire vertically with respect to the die cups, the outer enlarged end of the stretcher .arm head is bifurcated to receive an ad- Ijust-ing nut 66, (see Figs. 15 and 16) which may be turned to move said arm up or down j the cakes* time to fall Without interference-l from the'wire on its return stroke. I't will' be apparent that by my improved construction any Iover travel or excessis eliminated, the drop of the cakes being hastened, thereby resulting in increased speed and output at the same time producing an accurate and adapt it to a Wide -range 'of work and are simple, easy to make and readily accessible.,l

'The cakes out from the doug.. Jssiing ythrou h said die may be deposited -on any 71 journaled in bearingsat one end `of the machine frame. These chains travel on `channel bars 72 (see Fig. 6)- toward the op` posite or left handend (Fig. l) .of the machine, said bars being carried by the adjustable cal'rier table 74 includingV longitudinally extended long side bars 75, pivoted at one endV of the machine on said sprocketl wheel shaft 71 and at the opposite endof the machine mounted on a. yoke 76 (see Figs. Sand 6). This yoke issupported and may be adjusted by .oppositely threaded Screws 77, one of which is p ivoted to said oke and the other to an arm fast on a sha t 79 journaled in said frames. These screwsare connected by a turnbuckle 79 also having opposite threads and may 'be turned by a hand wheel 79b thereon to adjust said yoke vertically as desired. The `pali carrier sprocket chains 69 pass' also about pulleys 80 -at ythe opposite or delivery endl-of the machine atv t eright of Fig. 3 fast to' a shaft 81,1said` shafts being journaled in blocks 82 which .may be adjusted in the guides 83 depending from said table sidet frames to tighten said 'chains vas desired. The pans rest upon said guide chains 69 and may be fed sprocket chain 85 ocated between said pan carrier chains (see F igs.'1 and 5) and havi ing feeding lugs '86 spaced distances equal to the pan lengths, said chains being passed about a driving sprocket wheel 87 fast on said sprocket shaft 71, thence to the delivery end of the lnachine'to and about a pulley sbl' I I10o ositlvely forward by a 88 on said pulley shaft 81 and an idler pulley 89 mounted on said table adjusting yoke. Said sprocket wheel 87 (see Fig. 2) while fast on its driving shaft is adjustable thereon through an arm 87 fastl on said shaft and provided with a clamping bolt 87h eX-` tended through a segmental slot 87C` `(see Fig. 51) in said sprocket wheel. By this adjustment the pan drive chain may be ad justed independently of the carrierdriving' mechanism to properly position said pans beneath' lsaid die. The carrier ymay be driven thro-uoh its sprocket shaft 71 provldine seeFlg. 2

said sihaft at one of its ends, with va spur gear 9() driven by av s ur gear 91 (see Fig. l) splined yon a shaft 92 adjacent and parallel to said shaft l91 and journaled in bearings in said frames.

It will be apparent that iflarge cakes are being vmade the carrier and pans will of course, need to travel vmore rapidl than when small cakes 1 are being' made. pro-` 'the cam 134 effect the uniform travel of the carrier. The cam face w y operating through this part of the feeding mechanism gives the carrier' its periodic forward accelerations.

The acceleration or skip should occur each time the pan carrier moves a distance equal to a pan, length in order to bridge the spaces between the adjacent pans when passing ."beneath the die as described. To this end the circumference of the sprocketwheel 87 j is preferably, equal to the length of a pan and said skip will'therefore occur once in 4each rotation of said sprocket and also once lin a rotation of the gear 126 fast to the shaft carrying said sprocket. Since the gear 91 operating. through the pinions 128 drives the gear 126 and the sprocket gear 87 at twice the speed of said gear 91, the ratio of the gears 91 and 139 is made as two to one in order that the cam rotation and skip shall occur once in each rotation of said sprocket gear. The amount of selvage adjacent the pan ends will vary according to the number and size of biscuits deposited thereon. 'Ihis makes it necessary to vary the duration of the pan skip. To this end the cam 134 (see I Fig. 17) in addition to its spiral form is made conical having one end smaller and withlessthrow than its opposite end and is splined to and may be adjusted along its supporting shaft and be held in its adjusted position by a screw 140. The cam may thus be adjusted. to furnish the amount of movement of the gear 127 desired. By this simple mechanism the skip is positively effected and may be varied as desired.

l In the use of the machine described herein the dough or other plastic material is fed into the ho per 1 through the variable s eed continuous y driven feed rolls 4 an is forced down through the die beneath. The material projecting through said die is then cut transversely into cakes by the advancing cutter wire 30 which drops quickly at the finish of its cutting stroke ^carrying with it The wire in dropping with said cakes 'on the. completion of the cut, accelerates or controls the deposit 4of the cakes upon the surface beneath. The cutter travel is reduced to a minimum because by dropping the wire with the deposited cakes it becomes unnecessary to prolong the travel beyond the dic before it is dropped to avoid interference with the cakes deposited, as `Would be necessary were the dropping movement of the cutter not accelerated substantially to or'beyond the normal drop of the cakes as heretofore. Thus my invention permits of the shortening of the travel of the cutter and the corresponding speeding of the machine The stroke of the cutter by my lnvention may be made to occur with such frequency that the dough feed rolls may be driven continuously to feed the dough or other material through said die, as distlnguished from driving the feed rolls intermittently as would be necessary Without the high speed cutter. Thewire preferably does not drop through the entire fall of the cakes but is suddenly arrested by the dash pot 63, which cushions its drop and is adjustable to vary the limit thereof. The length of the stroke of the cutter is constant and is determined by the throw of the crank disk, but its limits may be varied by the adjustable connecting rod 45 to accurately position the cutter stroke with respect to different dies as desired. The cakes thu's cut by the wire cutter are deposited on the continuously moving pan carrier traveling beneath said die. The pan carrier table hinged at the left of Fig.3 may be adjusted vertically at its free end to vary the distance between the die and the deposit or pan surface to facilitate proper deposit of the cakes on the pans accord-ing to the speed of the machine, the consistency of the dough'and the character of the cakes being cut.

My invention makes possible a simple machine, convenient to operate, permitting of its principal adjustments wh-ile the machine is in motion and bythe elimination of excess movement and by reason of .its novel cutter and deposit mechanism may be run at a high speed and at the same time insure a perfect roduct.

It wil be understood that my invention is not limited to the particular embodiment shown herein, but that various modifications may be made Without Adepartingfrom the spirit of my invention.

Claims:

1. In a machine of the class described, the combination of a forming-die for shaping plastic material, a cutter movable across the die opening and means to impart an acceler' ated article depositing drop to said cutter at the limit of its cut through the material formed by said die.

2. In a machine of the class described, the

combination of a die forshapinfr plastic material. a cutter movable across the die opening to .eut a cake from the material issuing therethrough, accelerating means to impart a cake depositing drop to said cutter at the limit of its cut through the material formed by said die and means to vary I.he limit of said drop.

3. ln a machine of the class described, the combination of a forming die, a cutter movable across the delivery thereof, means to change the level of the cut-ter, and cushioning means for the latter.

4t. In a machine of the class described, the combination of a forming die, a cutter, means to actuate the latter and cushioning means` for said cutter.

5. In a'machine of the class described, the

i combination of a forming die., a cutter cocombination ,of a forming-die for shaping plastic material, a cutter movable across the die opening, means to impart an accelerated article depositing drop to said cutter at the limit of its cut 'through the material formed by said die, and means to vary the limits of Athe cutter reciprocation.

9. In a machine of the class described, the combination of a forming-die, a cutter supporting arm, a cutter thereon, means t-o reciprocate and drop the latter, and cutter adjustingv means adjacent the cutter supporting endjof said arm vertically to adjust the cutter relatively to said die.

10. In a 'machine of the class described, the

" combination o'f a forming die, a cutter therefor, .means to reciprocate and drop the latter fit-the i'inisn of its cutting stroke, means to vary the limit of said drop., and means to adjust said cutter independentl)v of said drop limiting means.

y 11. In la machine of the class described, the combination of a forming-die, a wire cutter, a supporting arm therefor and cutter means adjacent the opposite ends of said arm vertically to adjust the latter relatively 'to' said die.

`the combination `of a forming die, a wire 12. In a machine of the class described,

cutter and an 4abrupt drop tappet cam for imparting a cake depositing stroke to said cutter.

- 13. In a machine ofthe class' described, the Vcombination of a forming die for shaping plastic material, a critter movable across the die. opening, means to impart an accelerated article depositing drop to said cutter at the limit' of its cut through the'material formed by said die, and a continuously driven, variable speed carrier for receiving said articles.

14:. In a machine of the class described, the combination of a. forming die, a cutter eremo cooperating therewith, `means to impart an accelerated drop tothe latter simultaneouslyl with the completion lofits cut and a variable speed carrier forf're'ceivingthe delivered articles.

cooperating therewith, means to dr'op the latter, means to limit and cushion'said drop,

a delivery carrier for receivingthe 'articles'.fl cut, and variable speed driving means for".-

said carrier.

15. In .a machine.of'thejclassdescribed, the combination of la forming diel afbutter' 16. Ina machine of the lclass described, f

the combination of a forming die, a cutter cooperating therewith, a cake carrier, feeding means therefor, and means operating through said feeding means to give said carrier a periodic forward acceleration.

17. In a vmachine of the class described, the` combination of a forming-die, a cutter coperating therewith, a continuously movable carrier, feeding means therefor and means operating through the latter to give vsaid carrier a periodic accelerated movement.

18.. In a machine of the class described, the combination of cake forming means, a continuously movable carrier to receive `the cakes formed, carrier feeding means and ad' justable positive means operating through said feeding means to give the carrier aperiodic forward impulse of variable extent.'

19. In 'a machineA of the class described, the combination of cake forming means, a continuously movable cake carrier, feeding means therefor andr differential gear mechanism operating through said feeding means for giving said carrier a periodic forward acceleration.. y

20. In a machine of the classl described, the combination of cake forming means, a continuously movable cake carrier, a diiierential driving `gear therefor and a true spiral cam for controlling said gear.

21. In a machine of the class described, the combination of a hopper, means continuously to feed material therethrough for an inde nite-period, means tovary the speed of said feed means without vinterrupting vsaid feed, a forming die, and a cutter movable with respect to the latter' tocut the material issuing from said die into cakes.

22. In a machine of the class described, the combination of a hopper, a forming dii therefor, variable speed, continuously operating, feeding -means to force materia.' through said hopper, a cutter movable across said die, and means to impart an accelerated article depositing drop to said cutter at the limit of its cut through the material formed by said die. 4 f

23. Ina machine of the class described, the combination of a hopper, a forming die therefor, a cut-ter wire, cutter wire supporting means, a crosshead connected thereto, a

.at the finish of its cut.

25. In a cake machine, the combination of a forming die, a cutter movable across the delivery therefrom, a cutter guide, means to impart a cake depositing drop to said cutter and means to flip the cake therefrom.

9.6. In a machine of the class described, the combination of cake forming means, a continuously movable cake carrier. a carrier driving gear, a control gear therefor, a pinion connecting` said gears and Ameans to turn said control gear relatively to said driving gear to vary the speed of the latter.

27. In. a. machine of the class described, the combi-nation of cake forming means, a continuously movable cake carrier, a carrier driving shaft, a differential driving gear therefor and a cam coperating with said gear to transmit normally a substantially uniform rate of movement to said carrier and periodically an accelerated movement thereto.

28. In a machine of the class described, the combination of cake formingl means, a continuously movable cake carrier, a dierential driving gear therefor and a cam cooperating with said gear liaving a Spiral portion to transmit a substantially uniform rate of movement to said gear and an inclined portion to transmit periodically an accelerated movement thereto. i 22). In a machine of the class described the combination of cake forming means, a continuously movable cake carrier, a differential driving gear therefor and an adjustable tapered cam for controlling said gear and varying the movements thereof.

30. In a machine of the class described,

the combination of forming means, a carrier for receiving the material formed thereby, means to impart movement thereto and #am controller means to vary the rate of such movement without interruption of the movement, of said carrier.

31. In a machine of the class described,y the combination of article forming means, a movable carrier for receivinfr the material formed therelrv and carrier driving means including means to impart at times an aeceleiatedv moven'ient to Said carrier, and means operable between the aecelerations for moving said acceleratingr means to a positionrin readiness for a sncceedingceelerating operation.

In. testin'iony whereof, I have signed my naine to this specification, in the presence of two subscribing witnesses.

THOMAS L. GREEN.

lVitnesses:

FREDERICK L. EMI-11n', liar. A. OnnN. 

